// 项目在发布时需要用到的babel插件数组
const proPlugins = []
// 如果当前是生产环境，则使用去掉console的插件
if (process.env.NODE_ENV === 'production') {
  proPlugins.push('transform-remove-console')
}

module.exports = {
  presets: [
    // https://github.com/vuejs/vue-cli/tree/master/packages/@vue/babel-preset-app
    '@vue/cli-plugin-babel/preset',
  ],
  sourceType: 'unambiguous',
  env: {
    development: {
      // babel-plugin-dynamic-import-node plugin only does one thing by converting all import() to require().
      // This plugin can significantly increase the speed of hot updates, when you have a large number of pages.
      plugins: ['dynamic-import-node'],
    },
  },
  plugins: [...proPlugins],
}
